Reenable WorkspaceWindowResizerTest tests on X.

ash/wm/workspace/workspace_window_resizer_unittest.cc

Index: ash/wm/workspace/workspace_window_resizer_unittest.cc
diff --git a/ash/wm/workspace/workspace_window_resizer_unittest.cc b/ash/wm/workspace/workspace_window_resizer_unittest.cc
index 1a237fd3630751eab83e68f2f53cbb0cdad07eb8..b9f09a15f40499985e48764ccc4e866521defe1e 100644
--- a/ash/wm/workspace/workspace_window_resizer_unittest.cc
+++ b/ash/wm/workspace/workspace_window_resizer_unittest.cc
@@ -126,12 +126,6 @@ class WorkspaceWindowResizerTest : public test::AshTestBase {
   DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizerTest);
 };
 
-// TODO(oshima): Disabling these tests because these tests
-// depends on the window to be specific size, but bots doesn't
-// have enough space and the actual window gets smaller, which
-// causing mismatch.
-#if !defined(OS_WIN)
-
 // Assertions around attached window resize dragging from the right with 2
 // windows.
 TEST_F(WorkspaceWindowResizerTest, AttachedResize_RIGHT_2) {
@@ -656,8 +650,6 @@ TEST_F(WorkspaceWindowResizerTest, CtrlCompleteDragMoveToExactPosition) {
   EXPECT_EQ("106,124 320x160", window_->bounds().ToString());
 }
 
-#endif
-
 }  // namespace
 }  // namespace test
 }  // namespace ash